Home / 141,365.13-195,081.26-77,701.56

Finding the Fourth Proportional to 141,365.13, 195,081.26 and 77,701.56

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Solution

The fourth proportional to 141,365.13, 195,081.26 and 77,701.56 is: 107,226.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,365.13 : 195,081.26 = 77,701.56 : x
  2. Step 2: Convert to fraction form
    141,365.13/195,081.26 = 77,701.56/x
  3. Step 3: Cross multiply
    141,365.13x = 195,081.26 × 77,701.56
  4. Step 4: Simplify right side
    141,365.13x = 15,158,117,840.26
  5. Step 5: Solve for x
    x = 15,158,117,840.26/141,365.13
  6. Step 6: Final answer
    x = 107,226.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.